Home / 90,916,351.04-125,462,502.24-49,663,426.88

Finding the Fourth Proportional to 90,916,351.04, 125,462,502.24 and 49,663,426.88

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Solution

The fourth proportional to 90,916,351.04, 125,462,502.24 and 49,663,426.88 is: 68,534,402.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,916,351.04 : 125,462,502.24 = 49,663,426.88 : x
  2. Step 2: Convert to fraction form
    90,916,351.04/125,462,502.24 = 49,663,426.88/x
  3. Step 3: Cross multiply
    90,916,351.04x = 125,462,502.24 × 49,663,426.88
  4. Step 4: Simplify right side
    90,916,351.04x = 6,230,897,806,178,076
  5. Step 5: Solve for x
    x = 6,230,897,806,178,076/90,916,351.04
  6. Step 6: Final answer
    x = 68,534,402.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.